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Diffstat (limited to 'net/dsa/mv88e6131.c')
-rw-r--r--net/dsa/mv88e6131.c98
1 files changed, 63 insertions, 35 deletions
diff --git a/net/dsa/mv88e6131.c b/net/dsa/mv88e6131.c
index 374d46a0126..bb2b41bc854 100644
--- a/net/dsa/mv88e6131.c
+++ b/net/dsa/mv88e6131.c
@@ -1,6 +1,6 @@
/*
- * net/dsa/mv88e6131.c - Marvell 88e6131 switch chip support
- * Copyright (c) 2008 Marvell Semiconductor
+ * net/dsa/mv88e6131.c - Marvell 88e6095/6095f/6131 switch chip support
+ * Copyright (c) 2008-2009 Marvell Semiconductor
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -21,6 +21,8 @@ static char *mv88e6131_probe(struct mii_bus *bus, int sw_addr)
ret = __mv88e6xxx_reg_read(bus, sw_addr, REG_PORT(0), 0x03);
if (ret >= 0) {
ret &= 0xfff0;
+ if (ret == 0x0950)
+ return "Marvell 88E6095/88E6095F";
if (ret == 0x1060)
return "Marvell 88E6131";
}
@@ -36,7 +38,7 @@ static int mv88e6131_switch_reset(struct dsa_switch *ds)
/*
* Set all ports to the disabled state.
*/
- for (i = 0; i < 8; i++) {
+ for (i = 0; i < 11; i++) {
ret = REG_READ(REG_PORT(i), 0x04);
REG_WRITE(REG_PORT(i), 0x04, ret & 0xfffc);
}
@@ -100,17 +102,17 @@ static int mv88e6131_setup_global(struct dsa_switch *ds)
REG_WRITE(REG_GLOBAL, 0x19, 0x8100);
/*
- * Disable ARP mirroring, and configure the cpu port as the
- * port to which ingress and egress monitor frames are to be
- * sent.
+ * Disable ARP mirroring, and configure the upstream port as
+ * the port to which ingress and egress monitor frames are to
+ * be sent.
*/
- REG_WRITE(REG_GLOBAL, 0x1a, (ds->cpu_port * 0x1100) | 0x00f0);
+ REG_WRITE(REG_GLOBAL, 0x1a, (dsa_upstream_port(ds) * 0x1100) | 0x00f0);
/*
* Disable cascade port functionality, and set the switch's
- * DSA device number to zero.
+ * DSA device number.
*/
- REG_WRITE(REG_GLOBAL, 0x1c, 0xe000);
+ REG_WRITE(REG_GLOBAL, 0x1c, 0xe000 | (ds->index & 0x1f));
/*
* Send all frames with destination addresses matching
@@ -127,16 +129,23 @@ static int mv88e6131_setup_global(struct dsa_switch *ds)
REG_WRITE(REG_GLOBAL2, 0x05, 0x00ff);
/*
- * Map all DSA device IDs to the CPU port.
+ * Program the DSA routing table.
*/
- for (i = 0; i < 32; i++)
- REG_WRITE(REG_GLOBAL2, 0x06, 0x8000 | (i << 8) | ds->cpu_port);
+ for (i = 0; i < 32; i++) {
+ int nexthop;
+
+ nexthop = 0x1f;
+ if (i != ds->index && i < ds->dst->pd->nr_chips)
+ nexthop = ds->pd->rtable[i] & 0x1f;
+
+ REG_WRITE(REG_GLOBAL2, 0x06, 0x8000 | (i << 8) | nexthop);
+ }
/*
* Clear all trunk masks.
*/
for (i = 0; i < 8; i++)
- REG_WRITE(REG_GLOBAL2, 0x07, 0x8000 | (i << 12) | 0xff);
+ REG_WRITE(REG_GLOBAL2, 0x07, 0x8000 | (i << 12) | 0x7ff);
/*
* Clear all trunk mappings.
@@ -156,12 +165,18 @@ static int mv88e6131_setup_global(struct dsa_switch *ds)
static int mv88e6131_setup_port(struct dsa_switch *ds, int p)
{
int addr = REG_PORT(p);
+ u16 val;
/*
* MAC Forcing register: don't force link, speed, duplex
- * or flow control state to any particular values.
+ * or flow control state to any particular values on physical
+ * ports, but force the CPU port and all DSA ports to 1000 Mb/s
+ * full duplex.
*/
- REG_WRITE(addr, 0x01, 0x0003);
+ if (dsa_is_cpu_port(ds, p) || ds->dsa_port_mask & (1 << p))
+ REG_WRITE(addr, 0x01, 0x003e);
+ else
+ REG_WRITE(addr, 0x01, 0x0003);
/*
* Port Control: disable Core Tag, disable Drop-on-Lock,
@@ -169,29 +184,40 @@ static int mv88e6131_setup_port(struct dsa_switch *ds, int p)
* enable IGMP/MLD snoop, disable DoubleTag, disable VLAN
* tunneling, determine priority by looking at 802.1p and
* IP priority fields (IP prio has precedence), and set STP
- * state to Forwarding. Finally, if this is the CPU port,
- * additionally enable DSA tagging and forwarding of unknown
- * unicast addresses.
+ * state to Forwarding.
+ *
+ * If this is the upstream port for this switch, enable
+ * forwarding of unknown unicasts, and enable DSA tagging
+ * mode.
+ *
+ * If this is the link to another switch, use DSA tagging
+ * mode, but do not enable forwarding of unknown unicasts.
*/
- REG_WRITE(addr, 0x04, (p == ds->cpu_port) ? 0x0537 : 0x0433);
+ val = 0x0433;
+ if (p == dsa_upstream_port(ds))
+ val |= 0x0104;
+ if (ds->dsa_port_mask & (1 << p))
+ val |= 0x0100;
+ REG_WRITE(addr, 0x04, val);
/*
* Port Control 1: disable trunking. Also, if this is the
* CPU port, enable learn messages to be sent to this port.
*/
- REG_WRITE(addr, 0x05, (p == ds->cpu_port) ? 0x8000 : 0x0000);
+ REG_WRITE(addr, 0x05, dsa_is_cpu_port(ds, p) ? 0x8000 : 0x0000);
/*
* Port based VLAN map: give each port its own address
* database, allow the CPU port to talk to each of the 'real'
* ports, and allow each of the 'real' ports to only talk to
- * the CPU port.
+ * the upstream port.
*/
- REG_WRITE(addr, 0x06,
- ((p & 0xf) << 12) |
- ((p == ds->cpu_port) ?
- ds->valid_port_mask :
- (1 << ds->cpu_port)));
+ val = (p & 0xf) << 12;
+ if (dsa_is_cpu_port(ds, p))
+ val |= ds->phys_port_mask;
+ else
+ val |= 1 << dsa_upstream_port(ds);
+ REG_WRITE(addr, 0x06, val);
/*
* Default VLAN ID and priority: don't set a default VLAN
@@ -207,13 +233,15 @@ static int mv88e6131_setup_port(struct dsa_switch *ds, int p)
* untagged frames on this port, do a destination address
* lookup on received packets as usual, don't send a copy
* of all transmitted/received frames on this port to the
- * CPU, and configure the CPU port number. Also, if this
- * is the CPU port, enable forwarding of unknown multicast
- * addresses.
+ * CPU, and configure the upstream port number.
+ *
+ * If this is the upstream port for this switch, enable
+ * forwarding of unknown multicast addresses.
*/
- REG_WRITE(addr, 0x08,
- ((p == ds->cpu_port) ? 0x00c0 : 0x0080) |
- ds->cpu_port);
+ val = 0x0080 | dsa_upstream_port(ds);
+ if (p == dsa_upstream_port(ds))
+ val |= 0x0040;
+ REG_WRITE(addr, 0x08, val);
/*
* Rate Control: disable ingress rate limiting.
@@ -268,7 +296,7 @@ static int mv88e6131_setup(struct dsa_switch *ds)
if (ret < 0)
return ret;
- for (i = 0; i < 6; i++) {
+ for (i = 0; i < 11; i++) {
ret = mv88e6131_setup_port(ds, i);
if (ret < 0)
return ret;
@@ -279,7 +307,7 @@ static int mv88e6131_setup(struct dsa_switch *ds)
static int mv88e6131_port_to_phy_addr(int port)
{
- if (port >= 0 && port != 3 && port <= 7)
+ if (port >= 0 && port <= 11)
return port;
return -1;
}
@@ -353,7 +381,7 @@ static int mv88e6131_get_sset_count(struct dsa_switch *ds)
}
static struct dsa_switch_driver mv88e6131_switch_driver = {
- .tag_protocol = __constant_htons(ETH_P_DSA),
+ .tag_protocol = cpu_to_be16(ETH_P_DSA),
.priv_size = sizeof(struct mv88e6xxx_priv_state),
.probe = mv88e6131_probe,
.setup = mv88e6131_setup,
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-16 01:41:41 +0000